GB2313796A - Catalytic converter for a lean burn engine - Google Patents

Catalytic converter for a lean burn engine Download PDF

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Publication number
GB2313796A
GB2313796A GB9612025A GB9612025A GB2313796A GB 2313796 A GB2313796 A GB 2313796A GB 9612025 A GB9612025 A GB 9612025A GB 9612025 A GB9612025 A GB 9612025A GB 2313796 A GB2313796 A GB 2313796A
Authority
GB
United Kingdom
Prior art keywords
matrix
catalytic converter
coating
proportion
allow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB9612025A
Other languages
English (en)
Other versions
GB9612025D0 (en
Inventor
Thomas Tsoi-Hei Ma
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ford Motor Co
Original Assignee
Ford Motor Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ford Motor Co filed Critical Ford Motor Co
Priority to GB9612025A priority Critical patent/GB2313796A/en
Publication of GB9612025D0 publication Critical patent/GB9612025D0/en
Priority to DE69701525T priority patent/DE69701525T2/de
Priority to JP50133298A priority patent/JP2001509853A/ja
Priority to PCT/GB1997/001210 priority patent/WO1997047863A1/en
Priority to EP97920820A priority patent/EP0902861B1/de
Publication of GB2313796A publication Critical patent/GB2313796A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/9454—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—Nitrogen oxides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
    • F01N3/0878—Bypassing absorbents or adsorbents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2053—By-passing catalytic reactors, e.g. to prevent overheating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/908—O2-storage component incorporated in the catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/91—NOx-storage component incorporated in the catalyst
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/12—Combinations of different methods of purification absorption or adsorption, and catalytic conversion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2410/00—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/16—Oxygen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas After Treatment (AREA)
GB9612025A 1996-06-08 1996-06-08 Catalytic converter for a lean burn engine Withdrawn GB2313796A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB9612025A GB2313796A (en) 1996-06-08 1996-06-08 Catalytic converter for a lean burn engine
DE69701525T DE69701525T2 (de) 1996-06-08 1997-05-02 Katalysator für verbrennungsmotor mit verbrennung eines mageren gemisches
JP50133298A JP2001509853A (ja) 1996-06-08 1997-05-02 リーンバーン・エンジンの触媒コンバーター
PCT/GB1997/001210 WO1997047863A1 (en) 1996-06-08 1997-05-02 Catalytic converter for a lean burn engine
EP97920820A EP0902861B1 (de) 1996-06-08 1997-05-02 Katalysator für verbrennungsmotor mit verbrennung eines mageren gemisches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9612025A GB2313796A (en) 1996-06-08 1996-06-08 Catalytic converter for a lean burn engine

Publications (2)

Publication Number Publication Date
GB9612025D0 GB9612025D0 (en) 1996-08-07
GB2313796A true GB2313796A (en) 1997-12-10

Family

ID=10794987

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9612025A Withdrawn GB2313796A (en) 1996-06-08 1996-06-08 Catalytic converter for a lean burn engine

Country Status (5)

Country Link
EP (1) EP0902861B1 (de)
JP (1) JP2001509853A (de)
DE (1) DE69701525T2 (de)
GB (1) GB2313796A (de)
WO (1) WO1997047863A1 (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0916389A1 (de) * 1997-11-11 1999-05-19 Toyota Jidosha Kabushiki Kaisha Abgasreinigungsvorrichtung für eine Brennkraftmaschine
WO1999043934A1 (fr) * 1998-02-27 1999-09-02 Institut Francais Du Petrole Procede de traitement des gaz d'echappement d'un moteur a combustion interne et ligne d'echappement associee
EP1217196A3 (de) * 2000-12-19 2003-01-08 Isuzu Motors Limited Vorrichtung zum Reinigen von Abgas von Dieselmotoren
EP1495796A1 (de) * 2003-07-09 2005-01-12 Hochschule Rapperswil, Institut für angewandte Umwelttechnik Verringerung der Stickstoffdioxid-emission bei kontinuierlich regenerierenden Russpartikelnfiltern
US7141226B2 (en) 2000-02-15 2006-11-28 Johnson Matthey Public Limited Company Light-duty diesel catalysts
US7363758B2 (en) 2004-11-09 2008-04-29 Ford Global Technologies, Llc Lean burn engine control NOx purging based on positional loading of oxidants in emission control device
US7718150B2 (en) 2007-04-17 2010-05-18 Ford Global Technologies, Llc Reverse platinum group metal zoned lean NOx trap system and method of use
US7870724B2 (en) 2004-11-09 2011-01-18 Ford Global Technologies, Llc Lean NOx trap with PGM zoned axially

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3370957B2 (ja) 1998-09-18 2003-01-27 トヨタ自動車株式会社 内燃機関の排気浄化装置
US7311066B1 (en) 2000-05-22 2007-12-25 Wbip, Llc Controlling exhaust temperatures
US6799422B2 (en) 2002-08-22 2004-10-05 Westerbeke Corporation Emissions control
EP1697620A4 (de) 2003-10-27 2008-11-12 Wbip Llc Motorsteuersystem für verringerte abgasemissionen
JP4525487B2 (ja) * 2005-06-24 2010-08-18 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP7125664B2 (ja) * 2018-04-05 2022-08-25 スズキ株式会社 排気浄化装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0627548A1 (de) * 1993-05-31 1994-12-07 Toyota Jidosha Kabushiki Kaisha Abgasreinigungseinrichtung für einen Motor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6470131A (en) * 1987-09-10 1989-03-15 Mazda Motor Catalyst for purifying exhaust gas
JPH05231140A (ja) * 1992-02-18 1993-09-07 Mitsubishi Motors Corp 排気ガス浄化装置
JPH0893459A (ja) * 1994-09-20 1996-04-09 Nissan Motor Co Ltd エンジンの排気浄化装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0627548A1 (de) * 1993-05-31 1994-12-07 Toyota Jidosha Kabushiki Kaisha Abgasreinigungseinrichtung für einen Motor

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0916389A1 (de) * 1997-11-11 1999-05-19 Toyota Jidosha Kabushiki Kaisha Abgasreinigungsvorrichtung für eine Brennkraftmaschine
US6192675B1 (en) 1997-11-11 2001-02-27 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification device for an internal combustion engine
WO1999043934A1 (fr) * 1998-02-27 1999-09-02 Institut Francais Du Petrole Procede de traitement des gaz d'echappement d'un moteur a combustion interne et ligne d'echappement associee
FR2775498A1 (fr) * 1998-02-27 1999-09-03 Inst Francais Du Petrole Procede de traitement des gaz d'echappement d'un moteur a combustion interne et ligne d'echappement associee
US7141226B2 (en) 2000-02-15 2006-11-28 Johnson Matthey Public Limited Company Light-duty diesel catalysts
EP1217196A3 (de) * 2000-12-19 2003-01-08 Isuzu Motors Limited Vorrichtung zum Reinigen von Abgas von Dieselmotoren
EP1495796A1 (de) * 2003-07-09 2005-01-12 Hochschule Rapperswil, Institut für angewandte Umwelttechnik Verringerung der Stickstoffdioxid-emission bei kontinuierlich regenerierenden Russpartikelnfiltern
US7363758B2 (en) 2004-11-09 2008-04-29 Ford Global Technologies, Llc Lean burn engine control NOx purging based on positional loading of oxidants in emission control device
US7870724B2 (en) 2004-11-09 2011-01-18 Ford Global Technologies, Llc Lean NOx trap with PGM zoned axially
US7718150B2 (en) 2007-04-17 2010-05-18 Ford Global Technologies, Llc Reverse platinum group metal zoned lean NOx trap system and method of use

Also Published As

Publication number Publication date
EP0902861A1 (de) 1999-03-24
DE69701525D1 (de) 2000-04-27
EP0902861B1 (de) 2000-03-22
GB9612025D0 (en) 1996-08-07
DE69701525T2 (de) 2000-07-20
WO1997047863A1 (en) 1997-12-18
JP2001509853A (ja) 2001-07-24

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)